# Kitfox SONEX

- Type: Aircraft model (FAA registry)
- Registry code: 05639DA
- Manufacturer (registry): KITFOX LLC
- Model: SONEX
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 1
- Page: https://openairdocs.org/model/kitfox-sonex

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (1)

- [N17958](https://openairdocs.org/aircraft/N17958): [Polk Justin L](https://openairdocs.org/faa-owner/POLK%20JUSTIN%20L), [Greenville, TX](https://openairdocs.org/faa-place/TX/Greenville), built 2020, S/N 1087

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (2)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2011FA0000566](https://openairdocs.org/sdr/2011FA0000566), Aug 4, 2011: CRANKSHAFT. BROKEN. CRANK BROKEN AT FLANGE. CAST CRANKSHAFT FAILURE.
- [SDR 2006FA0000286](https://openairdocs.org/sdr/2006FA0000286), Feb 27, 2006: THROTTLE CABLE. BINDING. AIRCRAFT EXPERIENCED A LOSS OF POWER, AND A SUBSEQUENT FORCED LANDING RESULTING IN EXTENSIVE DAMAGE TO THE AIRCRAFT, DUE TO THE THROTTLE BEING STUCK IN THE IDLE

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Sonex Ltd/Monnett John T JR SONEX](https://openairdocs.org/model/sonex-ltd-monnett-john-t-jr-sonex): 1 registered aircraft, registry code 05605W0
- [Monnett Jeremy T SONEX](https://openairdocs.org/model/monnett-jeremy-t-sonex): 1 registered aircraft, registry code 05606E5
- [Early Jack F SONEX](https://openairdocs.org/model/early-jack-f-sonex): 1 registered aircraft, registry code 05607LH
- [Beckham Hugh C SONEX](https://openairdocs.org/model/beckham-hugh-c-sonex): 1 registered aircraft, registry code 05607RF
- [Odonnell Paul F SONEX](https://openairdocs.org/model/odonnell-paul-f-sonex): 1 registered aircraft, registry code 05608IX
- [Spicer Henry A SONEX](https://openairdocs.org/model/spicer-henry-a-sonex): 1 registered aircraft, registry code 05608OI
- [Johnson Gary L SONEX](https://openairdocs.org/model/johnson-gary-l-sonex): 1 registered aircraft, registry code 0561047
- [Forster Larry G SONEX](https://openairdocs.org/model/forster-larry-g-sonex): 1 registered aircraft, registry code 056106Z
- [Graber Benjamin SONEX](https://openairdocs.org/model/graber-benjamin-sonex): 1 registered aircraft, registry code 056109Z
- [Carter Gerald SONEX](https://openairdocs.org/model/carter-gerald-sonex): 1 registered aircraft, registry code 05610BQ
- [Fuller Van L SONEX](https://openairdocs.org/model/fuller-van-l-sonex): 1 registered aircraft, registry code 05610LK
- [Baron Helmut SONEX](https://openairdocs.org/model/baron-helmut-sonex): 1 registered aircraft, registry code 05610S5

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